52622905 has 16 divisors (see below), whose sum is σ = 68129424. Its totient is φ = 38871040.

The previous prime is 52622893. The next prime is 52622909. The reversal of 52622905 is 50922625.

It can be written as a sum of positive squares in 8 ways, for example, as 1971216 + 50651689 = 1404^2 + 7117^2 .

It is not a de Polignac number, because 52622905 - 2²⁵ = 19068473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52622909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336 + ... + 10345.

It is an arithmetic number, because the mean of its divisors is an integer number (4258089).

Almost surely, 2^52622905 is an apocalyptic number.

It is an amenable number.

52622905 is a deficient number, since it is larger than the sum of its proper divisors (15506519).

52622905 is a wasteful number, since it uses less digits than its factorization.

52622905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11756.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 52622905 is about 7254.1646659005. The cubic root of 52622905 is about 374.7355884227.

The spelling of 52622905 in words is "fifty-two million, six hundred twenty-two thousand, nine hundred five".